參數(shù)資料
型號: GMS87C7216LQ
廠商: Electronic Theatre Controls, Inc.
元件分類: 數(shù)學處理器
英文描述: 8-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 8位單晶片微控制器
文件頁數(shù): 73/121頁
文件大?。?/td> 1645K
代理商: GMS87C7216LQ
GMS81C7208/7216
FEB. 2005 Ver 1.04
69
Figure 18-5 Application Example of 3V LCD Panel
Some user want to use external bias resister instead of internal,
you can connect external resistor as shown in Figure 18-6. And
the external capacitors are may required for stable display accord-
ing to your system environment.
Figure 18-6 External Resistor
VCL1
VCL2
BIAS
BTC
V
DD
= 5V
V
SS
(a) Internal, Static or 1/3 Bias
BTC = “1”
BRC = “1”
Short two pins
externally
I
MCU Internal
VCL0
BRC
2R
R
R
R
Typ. R=65k
BTC
V
DD
= 5V
V
SS
(b) Internal, Static or 1/2 Bias
BTC = “1”
BRC = “1”
I
MCU Internal
BRC
2R
R
R
R
Typ. R=65k
VCL1
VCL2
BIAS
VCL0
VCL2=3V
VCL1=2V
VCL0=1V
VCL2=3V
VCL1=1.5V
VCL0=1.5V
VCL1
VCL2
BIAS
BTC
V
DD
V
SS
BTC = “0”
BRC = “0”
External circuit
I
MCU Internal
VCL0
BRC
2R
R
R
R
V
SS
V
DD
Adjust Contrast
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